main.cpp Example File
mapviewer/main.cpp
#include <QtCore/QTextStream>
#include <QtGui/QGuiApplication>
#include <QtQml/QQmlApplicationEngine>
#include <QtQuick/QQuickItem>
static bool parseArgs(QStringList& args, QVariantMap& parameters)
{
while (!args.isEmpty()) {
QString param = args.takeFirst();
if (param.startsWith("--help")) {
QTextStream out(stdout);
out << "Usage: " << endl;
out << "--plugin.<parameter_name> <parameter_value> - Sets parameter = value for plugin" << endl;
out.flush();
return true;
}
if (param.startsWith("--plugin.")) {
param.remove(0, 9);
if (args.isEmpty() || args.first().startsWith("--")) {
parameters[param] = true;
} else {
QString value = args.takeFirst();
if (value == "true" || value == "on" || value == "enabled") {
parameters[param] = true;
} else if (value == "false" || value == "off"
|| value == "disable") {
parameters[param] = false;
} else {
parameters[param] = value;
}
}
}
}
return false;
}
int main(int argc, char *argv[])
{
#if QT_CONFIG(library)
const QByteArray additionalLibraryPaths = qgetenv("QTLOCATION_EXTRA_LIBRARY_PATH");
for (const QByteArray &p : additionalLibraryPaths.split(':'))
QCoreApplication::addLibraryPath(QString(p));
#endif
QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QGuiApplication application(argc, argv);
QVariantMap parameters;
QStringList args(QCoreApplication::arguments());
const QByteArray mapboxMapID = qgetenv("MAPBOX_MAP_ID");
const QByteArray mapboxAccessToken = qgetenv("MAPBOX_ACCESS_TOKEN");
const QByteArray hereAppID = qgetenv("HERE_APP_ID");
const QByteArray hereToken = qgetenv("HERE_TOKEN");
const QByteArray esriToken = qgetenv("ESRI_TOKEN");
if (!mapboxMapID.isEmpty())
parameters["mapbox.map_id"] = QString::fromLocal8Bit(mapboxMapID);
if (!mapboxAccessToken.isEmpty()) {
parameters["mapbox.access_token"] = QString::fromLocal8Bit(mapboxAccessToken);
parameters["mapboxgl.access_token"] = QString::fromLocal8Bit(mapboxAccessToken);
}
if (!hereAppID.isEmpty())
parameters["here.app_id"] = QString::fromLocal8Bit(hereAppID);
if (!hereToken.isEmpty())
parameters["here.token"] = QString::fromLocal8Bit(hereToken);
if (!esriToken.isEmpty())
parameters["esri.token"] = QString::fromLocal8Bit(esriToken);
if (parseArgs(args, parameters))
return 0;
if (!args.contains(QStringLiteral("osm.useragent")))
parameters[QStringLiteral("osm.useragent")] = QStringLiteral("QtLocation Mapviewer example");
QQmlApplicationEngine engine;
engine.addImportPath(QStringLiteral(":/imports"));
engine.load(QUrl(QStringLiteral("qrc:///mapviewer.qml")));
QObject::connect(&engine, SIGNAL(quit()), qApp, SLOT(quit()));
QObject *item = engine.rootObjects().first();
Q_ASSERT(item);
QMetaObject::invokeMethod(item, "initializeProviders",
Q_ARG(QVariant, QVariant::fromValue(parameters)));
return application.exec();
}